. 2012 Feb 1;14(1):e20. doi: 10.2196/jmir.1978
©Yeshe Fenner, Suzanne M Garland, Elya E Moore, Yasmin Jayasinghe, Ashley Fletcher, Sepehr N Tabrizi, Bharathy Gunasekaran, John D Wark. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 01.02.2012.
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